CN100525101C - 使用波束形成算法来记录信号的方法和设备 - Google Patents

使用波束形成算法来记录信号的方法和设备 Download PDF

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Publication number
CN100525101C
CN100525101C CNB2005101242028A CN200510124202A CN100525101C CN 100525101 C CN100525101 C CN 100525101C CN B2005101242028 A CNB2005101242028 A CN B2005101242028A CN 200510124202 A CN200510124202 A CN 200510124202A CN 100525101 C CN100525101 C CN 100525101C
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CN
China
Prior art keywords
audio signal
delay
wave beam
microphones
signal
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CNB2005101242028A
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English (en)
Chinese (zh)
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CN1805278A (zh
Inventor
高由卿
李俊弦
高秉燮
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Publication of CN1805278A publication Critical patent/CN1805278A/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/401—2D or 3D arrays of transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/20—Processing of the output signals of the acoustic transducers of an array for obtaining a desired directivity characteristic
    • H04R2430/23—Direction finding using a sum-delay beam-former
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/008—Visual indication of individual signal levels

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
CNB2005101242028A 2005-01-14 2005-11-21 使用波束形成算法来记录信号的方法和设备 Expired - Fee Related CN100525101C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020050003803A KR100677554B1 (ko) 2005-01-14 2005-01-14 비임형성 방식을 이용한 녹음 장치 및 그 방법
KR1020050003803 2005-01-14

Publications (2)

Publication Number Publication Date
CN1805278A CN1805278A (zh) 2006-07-19
CN100525101C true CN100525101C (zh) 2009-08-05

Family

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Family Applications (1)

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CNB2005101242028A Expired - Fee Related CN100525101C (zh) 2005-01-14 2005-11-21 使用波束形成算法来记录信号的方法和设备

Country Status (4)

Country Link
US (1) US20060159281A1 (nl)
KR (1) KR100677554B1 (nl)
CN (1) CN100525101C (nl)
NL (1) NL1030748C2 (nl)

Cited By (1)

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CN102355748A (zh) * 2010-06-02 2012-02-15 索尼公司 用于确定经处理的音频信号的方法及手持设备

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US9552840B2 (en) * 2010-10-25 2017-01-24 Qualcomm Incorporated Three-dimensional sound capturing and reproducing with multi-microphones
CN103873977B (zh) * 2014-03-19 2018-12-07 惠州Tcl移动通信有限公司 基于多麦克风阵列波束成形的录音系统及其实现方法
US9674598B2 (en) * 2014-04-15 2017-06-06 Fairchild Semiconductor Corporation Audio accessory communication with active noise cancellation
CN107004426B (zh) * 2014-11-28 2020-09-11 华为技术有限公司 录取录像对象的声音的方法和移动终端
US10348403B2 (en) * 2015-07-27 2019-07-09 Signify Holding B.V. Light emitting device for generating light with embedded information
CN106486147A (zh) * 2015-08-26 2017-03-08 华为终端（东莞）有限公司 指向性录音方法、装置及录音设备
US11209306B2 (en) * 2017-11-02 2021-12-28 Fluke Corporation Portable acoustic imaging tool with scanning and analysis capability
WO2019231630A1 (en) * 2018-05-31 2019-12-05 Shure Acquisition Holdings, Inc. Augmented reality microphone pick-up pattern visualization
CN112739997A (zh) 2018-07-24 2021-04-30 弗兰克公司 用于可拆卸和可附接的声学成像传感器的系统和方法
US11788859B2 (en) 2019-12-02 2023-10-17 Here Global B.V. Method, apparatus, and computer program product for road noise mapping
US11393489B2 (en) * 2019-12-02 2022-07-19 Here Global B.V. Method, apparatus, and computer program product for road noise mapping
CN113077802B (zh) * 2021-03-16 2023-10-24 联想(北京)有限公司 一种信息处理方法和装置

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DE4101933A1 (de) * 1991-01-21 1992-07-23 Schaller Werner Steuergeraet fuer richtmikrofonsignale zur erzeugung von virtuellen richtcharakteristiken mit einstellbarer hauptempfangsrichtung und einstellbarem buendelungsgrad zur anwendung in der audiotechnik und der akustischen messtechnik
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US6192134B1 (en) * 1997-11-20 2001-02-20 Conexant Systems, Inc. System and method for a monolithic directional microphone array
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基站智能天线多波束合成技术. 丁君，郭陈江，许家栋.微波学报，第20卷第1期. 2004
基站智能天线多波束合成技术. 丁君，郭陈江，许家栋.微波学报，第20卷第1期. 2004 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102355748A (zh) * 2010-06-02 2012-02-15 索尼公司 用于确定经处理的音频信号的方法及手持设备
CN102355748B (zh) * 2010-06-02 2016-08-03 索尼公司 用于确定经处理的音频信号的方法及手持设备

Also Published As

Publication number Publication date
US20060159281A1 (en) 2006-07-20
KR20060083320A (ko) 2006-07-20
NL1030748A1 (nl) 2006-07-17
KR100677554B1 (ko) 2007-02-02
CN1805278A (zh) 2006-07-19
NL1030748C2 (nl) 2009-10-27

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Granted publication date: 20090805

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